.music-list {
  max-width: 768px;
  margin: 0 auto;
  margin-top: 50px;
  padding: 40px 20px;
  ul {
    list-style: none;
    margin: 0;
    padding: 0;
  }
  li:not(:last-child) {
    border-bottom: 1px solid #eee;
  }
  li {
    cursor: pointer;
    padding-right: 40px;
    padding-left: 10px;
    height: 40px;
    line-height: 40px;
    overflow: hidden;
    position: relative;
  }
  li:hover {
    background-color: #efefef;

    .delete div {
      transform: translateX(0px);
    }
  }
  .delete {
    position: absolute;
    right: 0;
    top: 0;
    width: 40px;
    height: 40px;

    div {
      height: 40px;
      height: 40px;
      line-height: 40px;
      text-align: center;
      transform: translateX(40px);
      transition: all .3s;
    }
  }
  .active {
    color: red;
  }
}
